Paraíba Tourmaline Value, Price, and Jewelry Information
Discovered in 1989, paraíba tourmalines are among the world’s most prized gemstones. These rare gems are renowned for showing intense blue…
Discovered in 1989, paraíba tourmalines are among the world’s most prized gemstones. These rare gems are renowned for showing intense blue…
How do lapidaries decide what gemstone shape to cut? Learn how inclusions, rough, orientation, and other factors can influence that decision.…
Rare chrome tourmaline can show an emerald-like green color. With a highly desired color and tourmaline’s excellent qualities as a jewelry stone,…
Cutting tourmaline can be difficult. Some gems seem to shatter easily. Learn faceting techniques to minimize this risk as well as what equipment…
Identifying gemstone treatments is difficult even for experienced gemologists. Learn about the many different ways gem color and clarity are…
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